More on Update-GAC (speeding up PowerShell startup)

Jeffrey Snover of Microsoft, PowerShell dude extraordinaire, recently reminded us of a way to Speed Up PowerShell Startup times, based on an article of over a year ago titled Update-Gac.ps1. And yes, this does help to speed up the Exchange Management Shell and the OpsMgr Command Shell too.

Taking that just a bit further, the assemblies you want to put into the GAC are slightly different when you are running AMD-64 (AMD) or EMT-64 (intel). Here is the script updated to deal with x64 and to suppress the ngen logo: